A member of the TwainCapabilities enumeration.





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GdPicture14 Namespace / GdPictureImaging Class / TwainGetAvailableCapValuesCount Method

TwainGetAvailableCapValuesCount Method (GdPictureImaging)

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Returns the number of available values for the selected TWAIN capability which can be used with it by the opened source in its current configuration.
Syntax
'Declaration
 

Public Function TwainGetAvailableCapValuesCount( _
   ByVal Cap As TwainCapabilities _
) As Integer
public int TwainGetAvailableCapValuesCount( 
   TwainCapabilities Cap
)
public function TwainGetAvailableCapValuesCount( 
    Cap: TwainCapabilities
): Integer; 
public function TwainGetAvailableCapValuesCount( 
   Cap : TwainCapabilities
) : int;
public: int TwainGetAvailableCapValuesCount( 
   TwainCapabilities Cap
) 
public:
int TwainGetAvailableCapValuesCount( 
   TwainCapabilities Cap
)

Parameters

Cap
A member of the TwainCapabilities enumeration.

Return Value

If Success, non zero: Number of values available for the selected TWAIN capability. Else 0 if fail -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() methods for diagnosing the error.
Remarks
Before using this method check that the TWAIN state is >= 4 (TWAIN_SOURCE_OPEN) To get the TWAIN state, use the TwainGetState() method.
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method
TwainGetLastConditionCode Method
TwainGetLastResultCode Method